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A solution of AgNO3 containing 12.14g of Ag in 50ml of solution was electrolyzed between pt electrodes . After electrolysis 50ml of the anode solution was found to contain 11.55g of Ag ,while 1.25g of metallic Ag was deposited on the cathode . calculate the transport number of Ag+
In an electrolysis of cuso4 between copper electrodes ,the total mass of copper deposited at the cathode was 0.153g and the mass of copper per unit volume of the anode liquid before and after analysis were 0.79g and 0.91g respectively . Calculate the transport number of cu2+ and so42+
1. A 92 kg/s flow of steam enters a turbine at 100 bar, 774 K and a velocity of 35 m/s. The machine is well insulated and the steam leaves at 0.1 bar, 365 K and at a velocity of 350 m/s. Calculate the power output from the turbine and the inlet and outlet pipe diameters required assuming that steam is an ideal gas with Cp=1901 J/kg.K.
Assume your run the statistics to test the hypothesis and your result is 0.06, and then what will be your decision as a researcher, at P is 5%?
Chinovac Labs tried a new vaccine on 165 randomly selected individuals. From the experiment, it was determined that 82 of them developed immunity. Calculate a 95% confidence interval for the proportion p of individuals in the population for whom the vaccine would help. What is the lower bound of this interval?
11. Q10. Assume your run the statistics to test the hypothesis and your result is 0.06, and then what will be your decision as a researcher, at P is 5%?
Chinovac Labs tried a new vaccine on 189 randomly selected individuals. From the experiment, it was determined that 104 of them developed immunity. Calculate a 95% confidence interval for the proportion p of individuals in the population for whom the vaccine would help. What is the upper bound of this interval?
6 % of the 100 students in Emmie Xi Hem International School students said that they had been late in their first-period classes. What is the upper bound of the 99% confidence interval for the proportion of students in the said school who had been late in their first-period classes?
Define half-life. Prove that the half-life of 1st order reaction is independent of the initial concentration of the reactant.
Chinovac Labs tried a new vaccine on 126 randomly selected individuals. From the experiment, it was determined that 118 of them developed immunity. Calculate a 95% confidence interval for the proportion p of individuals in the population for whom the vaccine would help. What is the point estimate of this interval?
